Weather Forecast for Piran

Bohinj, Slovenia

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Current Weather - Piran: 21°C

Bohinj, Slovenia

Clear

Feels like 20°C

Wind

6 km/h ESE

Humidity

59%

Pressure

1018 mb

UV Index

0

Visibility

10 km

Sunny

Sunny

Friday, September 04, 2026

High

31°C

Low

21°C

Rain Chance

2%

Hourly Forecast

Clear 21°C
05:00
Partly Cloudy 21°C
06:00
Partly Cloudy 21°C
07:00
Sunny 23°C
08:00
Sunny 26°C
09:00
Sunny 29°C
10:00
Sunny 30°C
11:00
Sunny 31°C
12:00
Sunny 31°C
13:00
Partly Cloudy 31°C
14:00
Partly Cloudy 31°C
15:00
Sunny 30°C
16:00
Sunny 30°C
17:00
Sunny 29°C
18:00
Sunny 26°C
19:00
Clear 24°C
20:00
Clear 23°C
21:00
Clear 22°C
22:00
Clear 22°C
23:00
Sep 05

Day Statistics

Maximum Wind

13 km/h

Humidity

48%

Precipitation

0 mm

UV Index

6

Visibility

10 km

Rain Chance

2%

Snow Chance

0%

Sun & Moon

Sunrise

06:30 AM

Sunset

07:38 PM

Moonrise

10:53 PM

Moonset

02:46 PM

Moon Phase

Last Quarter

Moon Illumination

39%

Air Quality

PM2.5

9.3

μg/m³

PM10

12.4

μg/m³

NO₂

9.2

μg/m³

O₃

86.8

μg/m³

SO₂

1

μg/m³

CO

157.4

μg/m³

US EPA Index: 1 GB DEFRA Index: 1

Weather Alerts

Moderate High temperature Warning (Degree 2/4) - Slovenia / South-West

Slovenia / South-West Sep 3, 08:58 AM - Sep 4, 08:59 PM
Severity: Moderate Urgency: Future

High temperatures may affect the health of sensitive members of the population.

You are recommended to stay in the shade at midday and in the afternoon, while intense physical effort in the open is not recommended. Eat light food and drink enough liquids. Vehicles parked in the sun should be aired out before driving.

Event: Moderate High temperature Warning Certainty: Likely Category: Met

South Dalmatia region Sep 3, 05:24 PM - Sep 4, 09:00 AM
Severity: Moderate Urgency: Future

Locally fresh NE wind. Maximum wind gusts 35-40 knots (65-75 km/h)

IMPACT: Although rather usual in this region, locally or potentially dangerous wind speeds are expected to produce dangerous wave conditions to small crafts. Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in these conditions. Mariners should pay close attention to the marine forecast and consider wind and sea conditions in planning. It is possible that some ferry lines will not operate so follow traffic information if travelling.

Event: Yellow wind warning Certainty: Likely Category: Met

When to visit Piran?

Plan your perfect trip with our month-by-month weather guide

⭐ Best months: June July August

January

☀️
10°C
💧
12 Days of rain
❄️
Moderate snowfall
🥶 Coldest month

February

☀️
10°C
💧
12 Days of rain
❄️
Moderate snowfall

March

☀️
12°C
💧
11 Days of rain
❄️
Moderate snowfall

April

☀️
15°C
💧
11 Days of rain
❄️
No snowfall

May

☀️
20°C
💧
12 Days of rain
❄️
No snowfall

June

☀️
24°C
💧
10 Days of rain
❄️
No snowfall
Best time to visit

July

☀️
27°C
💧
7 Days of rain
❄️
No snowfall
Best time to visit
🌵 Driest month

August

☀️
27°C
💧
11 Days of rain
❄️
No snowfall
Best time to visit
🔥 Hottest month

September

☀️
23°C
💧
21 Days of rain
❄️
No snowfall

October

☀️
19°C
💧
23 Days of rain
❄️
No snowfall

November

☀️
15°C
💧
25 Days of rain
❄️
Light snow possible
🌧 Wettest month,

December

☀️
11°C
💧
17 Days of rain
❄️
Moderate snowfall